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Diffstat (limited to '')
| -rw-r--r-- | src/lib/dhcp/dhcp6.h | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/src/lib/dhcp/dhcp6.h b/src/lib/dhcp/dhcp6.h new file mode 100644 index 0000000..bb89c20 --- /dev/null +++ b/src/lib/dhcp/dhcp6.h @@ -0,0 +1,342 @@ +// Copyright (C) 2006-2023 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#ifndef DHCP6_H +#define DHCP6_H + +#include <stdint.h> + +/// @note Code points in comments are those assigned by IANA +/// but not yet implemented in Kea. +/// To implement a standard option, remove the comment characters, +/// add an entry in std_option_defs.h, add a stdOptionDefs6 unit test +/// in tests/libdhcp++_unittest.cc and update dhcp6-std-options-list in +/// the dhcp6-srv.xml source file of the user guide. + +/* DHCPv6 Option codes: */ +enum DHCPv6OptionType { + D6O_CLIENTID = 1, /* RFC8415 */ + D6O_SERVERID = 2, /* RFC8415 */ + D6O_IA_NA = 3, /* RFC8415 */ + D6O_IA_TA = 4, /* RFC8415 */ + D6O_IAADDR = 5, /* RFC8415 */ + D6O_ORO = 6, /* RFC8415 */ + D6O_PREFERENCE = 7, /* RFC8415 */ + D6O_ELAPSED_TIME = 8, /* RFC8415 */ + D6O_RELAY_MSG = 9, /* RFC8415 */ + // Option code 10 is unassigned. + D6O_AUTH = 11, /* RFC8415 */ + D6O_UNICAST = 12, /* RFC8415 */ + D6O_STATUS_CODE = 13, /* RFC8415 */ + D6O_RAPID_COMMIT = 14, /* RFC8415 */ + D6O_USER_CLASS = 15, /* RFC8415 */ + D6O_VENDOR_CLASS = 16, /* RFC8415 */ + D6O_VENDOR_OPTS = 17, /* RFC8415 */ + D6O_INTERFACE_ID = 18, /* RFC8415 */ + D6O_RECONF_MSG = 19, /* RFC8415 */ + D6O_RECONF_ACCEPT = 20, /* RFC8415 */ + D6O_SIP_SERVERS_DNS = 21, /* RFC3319 */ + D6O_SIP_SERVERS_ADDR = 22, /* RFC3319 */ + D6O_NAME_SERVERS = 23, /* RFC3646 */ + D6O_DOMAIN_SEARCH = 24, /* RFC3646 */ + D6O_IA_PD = 25, /* RFC8415, RFC3633 */ + D6O_IAPREFIX = 26, /* RFC8415, RFC3633 */ + D6O_NIS_SERVERS = 27, /* RFC3898 */ + D6O_NISP_SERVERS = 28, /* RFC3898 */ + D6O_NIS_DOMAIN_NAME = 29, /* RFC3898 */ + D6O_NISP_DOMAIN_NAME = 30, /* RFC3898 */ + D6O_SNTP_SERVERS = 31, /* RFC4075 */ + D6O_INFORMATION_REFRESH_TIME = 32, /* RFC8415, RFC4242 */ + D6O_BCMCS_SERVER_D = 33, /* RFC4280 */ + D6O_BCMCS_SERVER_A = 34, /* RFC4280 */ + // Option code 35 is unassigned. + D6O_GEOCONF_CIVIC = 36, /* RFC4776 */ + D6O_REMOTE_ID = 37, /* RFC4649 */ + D6O_SUBSCRIBER_ID = 38, /* RFC4580 */ + D6O_CLIENT_FQDN = 39, /* RFC4704 */ + D6O_PANA_AGENT = 40, /* RFC5192 */ + D6O_NEW_POSIX_TIMEZONE = 41, /* RFC4833 */ + D6O_NEW_TZDB_TIMEZONE = 42, /* RFC4833 */ + D6O_ERO = 43, /* RFC4994 */ + D6O_LQ_QUERY = 44, /* RFC5007 */ + D6O_CLIENT_DATA = 45, /* RFC5007 */ + D6O_CLT_TIME = 46, /* RFC5007 */ + D6O_LQ_RELAY_DATA = 47, /* RFC5007 */ + D6O_LQ_CLIENT_LINK = 48, /* RFC5007 */ +// D6O_MIP6_HNIDF = 49, /* RFC6610 */ +// D6O_MIP6_VDINF = 50, /* RFC6610 */ + D6O_V6_LOST = 51, /* RFC5223 */ + D6O_CAPWAP_AC_V6 = 52, /* RFC5417 */ + D6O_RELAY_ID = 53, /* RFC5460 */ +// D6O_IPV6_ADDRESS_MOS = 54, /* RFC5678 */ +// D6O_IPV6_FQDN_MOS = 55, /* RFC5678 */ +// D6O_NTP_SERVER = 56, /* RFC5908 */ + D6O_V6_ACCESS_DOMAIN = 57, /* RFC5986 */ + D6O_SIP_UA_CS_LIST = 58, /* RFC6011 */ + D6O_BOOTFILE_URL = 59, /* RFC5970 */ + D6O_BOOTFILE_PARAM = 60, /* RFC5970 */ + D6O_CLIENT_ARCH_TYPE = 61, /* RFC5970 */ + D6O_NII = 62, /* RFC5970 */ +// D6O_GEOLOCATION = 63, /* RFC6225 */ + D6O_AFTR_NAME = 64, /* RFC6334 */ + D6O_ERP_LOCAL_DOMAIN_NAME = 65, /* RFC6440 */ + D6O_RSOO = 66, /* RFC6422 */ + D6O_PD_EXCLUDE = 67, /* RFC6603 */ +// D6O_VSS = 68, /* RFC6607 */ +// D6O_MIP6_IDINF = 69, /* RFC6610 */ +// D6O_MIP6_UDINF = 70, /* RFC6610 */ +// D6O_MIP6_HNP = 71, /* RFC6610 */ +// D6O_MIP6_HAA = 72, /* RFC6610 */ +// D6O_MIP6_HAF = 73, /* RFC6610 */ + D6O_RDNSS_SELECTION = 74, /* RFC6731 */ +// D6O_KRB_PRINCIPAL_NAME = 75, /* RFC6784 */ +// D6O_KRB_REALM_NAME = 76, /* RFC6784 */ +// D6O_KRB_DEFAULT_REALM_NAME = 77, /* RFC6784 */ +// D6O_KRB_KDC = 78, /* RFC6784 */ + D6O_CLIENT_LINKLAYER_ADDR = 79, /* RFC6939 */ + D6O_LINK_ADDRESS = 80, /* RFC6977 */ +// D6O_RADIUS = 81, /* RFC7037 */ + D6O_SOL_MAX_RT = 82, /* RFC8415, RFC7083 */ + D6O_INF_MAX_RT = 83, /* RFC8415, RFC7083 */ +// D6O_ADDRSEL = 84, /* RFC7078 */ +// D6O_ADDRSEL_TABLE = 85, /* RFC7078 */ +// D6O_V6_PCP_SERVER = 86, /* RFC7291 */ + D6O_DHCPV4_MSG = 87, /* RFC7341 */ + D6O_DHCPV4_O_DHCPV6_SERVER = 88, /* RFC7341 */ + D6O_S46_RULE = 89, /* RFC7598 */ + D6O_S46_BR = 90, /* RFC7598, RFC8539 */ + D6O_S46_DMR = 91, /* RFC7598 */ + D6O_S46_V4V6BIND = 92, /* RFC7598 */ + D6O_S46_PORTPARAMS = 93, /* RFC7598 */ + D6O_S46_CONT_MAPE = 94, /* RFC7598 */ + D6O_S46_CONT_MAPT = 95, /* RFC7598 */ + D6O_S46_CONT_LW = 96, /* RFC7598 */ +// D6O_4RD = 97, /* RFC7600 */ +// D6O_4RD_MAP_RULE = 98, /* RFC7600 */ +// D6O_4RD_NON_MAP_RULE = 99, /* RFC7600 */ +// D6O_LQ_BASE_TIME = 100, /* RFC7653 */ +// D6O_LQ_START_TIME = 101, /* RFC7653 */ +// D6O_LQ_END_TIME = 102, /* RFC7653 */ + D6O_V6_CAPTIVE_PORTAL = 103, /* RFC8910 */ +// D6O_MPL_PARAMETERS = 104, /* RFC7774 */ +// D6O_ANI_ATT = 105, /* RFC7839 */ +// D6O_ANI_NETWORK_NAME = 106, /* RFC7839 */ +// D6O_ANI_AP_NAME = 107, /* RFC7839 */ +// D6O_ANI_AP_BSSID = 108, /* RFC7839 */ +// D6O_ANI_OPERATOR_ID = 109, /* RFC7839 */ +// D6O_ANI_OPERATOR_REALM = 110, /* RFC7839 */ +// D6O_S46_PRIORITY = 111, /* RFC8026 */ + // Option code 112 is unassigned. +// D6O_V6_PREFIX64 = 113, /* RFC8115 */ +// D6O_F_BINDING_STATUS = 114, /* RFC8156 */ +// D6O_F_CONNECT_FLAGS = 115, /* RFC8156 */ +// D6O_F_DNS_REMOVAL_INFO = 116, /* RFC8156 */ +// D6O_F_DNS_HOST_NAME = 117, /* RFC8156 */ +// D6O_F_DNS_ZONE_NAME = 118, /* RFC8156 */ +// D6O_F_DNS_FLAGS = 119, /* RFC8156 */ +// D6O_F_EXPIRATION_TIME = 120, /* RFC8156 */ +// D6O_F_MAX_UNACKED_BNDUPD = 121, /* RFC8156 */ +// D6O_F_MCLT = 122, /* RFC8156 */ +// D6O_F_PARTNER_LIFETIME = 123, /* RFC8156 */ +// D6O_F_PARTNER_LIFETIME_SENT = 124, /* RFC8156 */ +// D6O_F_PARTNER_DOWN_TIME = 125, /* RFC8156 */ +// D6O_F_PARTNER_RAW_CLT_TIME = 126, /* RFC8156 */ +// D6O_F_PROTOCOL_VERSION = 127, /* RFC8156 */ +// D6O_F_KEEPALIVE_TIME = 128, /* RFC8156 */ +// D6O_F_RECONFIGURE_DATA = 129, /* RFC8156 */ +// D6O_F_RELATIONSHIP_NAME = 130, /* RFC8156 */ +// D6O_F_SERVER_FLAGS = 131, /* RFC8156 */ +// D6O_F_SERVER_STATE = 132, /* RFC8156 */ +// D6O_F_START_TIME_OF_STATE = 133, /* RFC8156 */ +// D6O_F_STATE_EXPIRATION_TIME = 134, /* RFC8156 */ + D6O_RELAY_SOURCE_PORT = 135, /* RFC8357 */ + D60_V6_SZTP_REDIRECT = 136, /* RFC8572 */ + // Option codes 137-142 are unassigned. + D6O_IPV6_ADDRESS_ANDSF = 143, /* RFC6153 */ + D6O_V6_DNR = 144 /* RFC-ietf-add-dnr */ +}; + +/* + * Status Codes, from RFC 8415 section 21.13, 5007, 5460. + */ +enum DHCPv6StatusCode { + STATUS_Success = 0, + STATUS_UnspecFail = 1, + STATUS_NoAddrsAvail = 2, + STATUS_NoBinding = 3, + STATUS_NotOnLink = 4, + STATUS_UseMulticast = 5, + STATUS_NoPrefixAvail = 6, + STATUS_UnknownQueryType = 7, + STATUS_MalformedQuery = 8, + STATUS_NotConfigured = 9, + STATUS_NotAllowed = 10, + STATUS_QueryTerminated = 11, +/* RFC7653 */ +// STATUS_DataMissing = 12, +// STATUS_CatchUpComplete = 13, +// STATUS_NotSupported = 14, +// STATUS_TLSConnectionRefused = 15, +/* RFC8156 */ +// STATUS_AddressInUse = 16, +// STATUS_ConfigurationConflict = 17, +// STATUS_MissingBindingInformation = 18, +// STATUS_OutdatedBindingInformation = 19, +// STATUS_ServerShuttingDown = 20, +// STATUS_DNSUpdateNotSupported = 21, +// STATUS_ExcessiveTimeSkew = 22 +}; + +/* + * DHCPv6 message types, defined in section 7.3 of RFC 8415 + */ +enum DHCPv6MessageType { + DHCPV6_NOTYPE = 0, + DHCPV6_SOLICIT = 1, + DHCPV6_ADVERTISE = 2, + DHCPV6_REQUEST = 3, + DHCPV6_CONFIRM = 4, + DHCPV6_RENEW = 5, + DHCPV6_REBIND = 6, + DHCPV6_REPLY = 7, + DHCPV6_RELEASE = 8, + DHCPV6_DECLINE = 9, + DHCPV6_RECONFIGURE = 10, + DHCPV6_INFORMATION_REQUEST = 11, + DHCPV6_RELAY_FORW = 12, + DHCPV6_RELAY_REPL = 13, + /* RFC 5007 */ + DHCPV6_LEASEQUERY = 14, + DHCPV6_LEASEQUERY_REPLY = 15, + /* RFC 5460 */ + DHCPV6_LEASEQUERY_DONE = 16, + DHCPV6_LEASEQUERY_DATA = 17, + /* RFC 6977 */ + DHCPV6_RECONFIGURE_REQUEST = 18, + DHCPV6_RECONFIGURE_REPLY = 19, + /* RFC 7341 */ + DHCPV6_DHCPV4_QUERY = 20, + DHCPV6_DHCPV4_RESPONSE = 21, + /* RFC 7653 */ + DHCPV6_ACTIVELEASEQUERY = 22, + DHCPV6_STARTTLS = 23, + /* RFC 8156 */ + DHCPV6_BNDUPD = 24, + DHCPV6_BNDREPLY = 25, + DHCPV6_POOLREQ = 26, + DHCPV6_POOLRESP = 27, + DHCPV6_UPDREQ = 28, + DHCPV6_UPDREQALL = 29, + DHCPV6_UPDDONE = 30, + DHCPV6_CONNECT = 31, + DHCPV6_CONNECTREPLY = 32, + DHCPV6_DISCONNECT = 33, + DHCPV6_STATE = 34, + DHCPV6_CONTACT = 35, + DHCPV6_TYPES_EOF +}; + +extern const char *dhcpv6_type_names[]; +extern const int dhcpv6_type_name_max; + +// DUID type definitions (RFC 8415 section 11). +// see isc::dhcp::DUID::DUIDType enum in dhcp/duid.h + +// Define hardware types +// Taken from http://www.iana.org/assignments/arp-parameters/ +static const uint16_t HWTYPE_ETHERNET = 0x0001; +static const uint16_t HWTYPE_INFINIBAND = 0x0020; + +// Taken from https://www.iana.org/assignments/enterprise-numbers/enterprise-numbers +static const uint32_t ENTERPRISE_ID_ISC = 2495; + +/* DHCPv4-over-DHCPv6 (RFC 7341) inter-process communication. These are option + codes for the ISC vendor specific options used in 4o6 */ +static const uint16_t ISC_V6_4O6_INTERFACE = 60000; +static const uint16_t ISC_V6_4O6_SRC_ADDRESS = 60001; +static const uint16_t ISC_V6_4O6_SRC_PORT = 60002; + +/* Offsets into IA_*'s where Option spaces commence. */ +static const uint16_t IA_NA_OFFSET = 12; /* IAID, T1, T2, all 4 octets each */ +static const uint16_t IA_TA_OFFSET = 4; /* IAID only, 4 octets */ +static const uint16_t IA_PD_OFFSET = 12; /* IAID, T1, T2, all 4 octets each */ + +/* Offset into IAADDR's where Option spaces commence. */ +static const uint16_t IAADDR_OFFSET = 24; + +/* Offset into IAPREFIX's where Option spaces commence. */ +static const uint16_t IAPREFIX_OFFSET = 25; + +/* Offset into LQ_QUERY's where Option spaces commence. */ +static const uint16_t LQ_QUERY_OFFSET = 17; + +/* + * DHCPv6 well-known multicast addresses, from section 7.1 of RFC 8415 + */ +// TODO +#define ALL_DHCP_RELAY_AGENTS_AND_SERVERS "ff02::1:2" +#define ALL_DHCP_SERVERS "ff05::1:3" + +static const uint16_t DHCP6_CLIENT_PORT = 546; +static const uint16_t DHCP6_SERVER_PORT = 547; + +/* + * DHCPv6 Retransmission Constants (RFC 8415 section 7.6, RFC 5007) + */ + +// TODO +#define SOL_MAX_DELAY 1 +#define SOL_TIMEOUT 1 +#define SOL_MAX_RT 120 +#define REQ_TIMEOUT 1 +#define REQ_MAX_RT 30 +#define REQ_MAX_RC 10 +#define CNF_MAX_DELAY 1 +#define CNF_TIMEOUT 1 +#define CNF_MAX_RT 4 +#define CNF_MAX_RD 10 +#define REN_TIMEOUT 10 +#define REN_MAX_RT 600 +#define REB_TIMEOUT 10 +#define REB_MAX_RT 600 +#define INF_MAX_DELAY 1 +#define INF_TIMEOUT 1 +#define INF_MAX_RT 120 +#define REL_TIMEOUT 1 +#define REL_MAX_RC 5 +#define DEC_TIMEOUT 1 +#define DEC_MAX_RC 5 +#define REC_TIMEOUT 2 +#define REC_MAX_RC 8 +#define HOP_COUNT_LIMIT 32 +#define LQ6_TIMEOUT 1 +#define LQ6_MAX_RT 10 +#define LQ6_MAX_RC 5 + +/* Leasequery query-types (RFC 5007, RFC 5460) */ + +#define LQ6QT_BY_ADDRESS 1 +#define LQ6QT_BY_CLIENTID 2 +#define LQ6QT_BY_RELAY_ID 3 +#define LQ6QT_BY_LINK_ADDRESS 4 +#define LQ6QT_BY_REMOTE_ID 5 + +/* + * DUID time starts 2000-01-01. + * This constant is the number of seconds since 1970-01-01, + * when the Unix epoch began. + */ +#define DUID_TIME_EPOCH 946684800 + +/* Information-Request Time option (RFC 8415) */ + +#define IRT_DEFAULT 86400 +#define IRT_MINIMUM 600 + +/* DHCPv4-query message flags (see RFC7341) */ +#define DHCPV4_QUERY_FLAGS_UNICAST (1 << 23) + +#endif /* DHCP6_H */ |